A method for the mg scale separation of curium(III) from americium(III) by HPLC using a SCX column

被引：0

作者：

Nidhu lal Banik

Klaus Lützenkirchen

Rikard Malmbeck

Adrian Nichol

机构：

[1] European Commission,

[2] Joint Research Centre – JRC,undefined

[3] Directorate G,undefined

[4] Nuclear Safety and Security,undefined

来源：

Journal of Radioanalytical and Nuclear Chemistry | 2019年 / 321卷

关键词：

Chromatography; HPLC; Cm; Am; alpha-Hydroxymethylbutyric acid; Separation;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

A method intended for the mg scale separation of curium (Cm) from americium (Am) and plutonium (Pu) based on high pressure liquid chromatography using a strong cation exchange column has been investigated. Reproducible separations were achieved on the Luna SCX (Phenomenex) column with α-hydroxymethylbutyric acid (α-HMBA) as eluant. The separation performance was investigated on the tracer level varying the pH, concentration, temperature and flow rate of the eluting solution. It was found that 0.1 M α-HMBA at a pH of 3.7 using a flow-rate of 1 mL/min, gave enough peak resolution for an efficient and reproducible separation of Cm from Am. Separations with gadolinium loading were investigated to scale up the purification of Cm from tracer level to mg scale. Baseline chromatographic separations were demonstrated in column loadings of up to 20% of full column capacity, corresponding to 2.5 mg of Cm.

引用

页码：841 / 849

页数：8

共 44 条

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